Allergena For Pets (A/F) 1 fl. oz. (30 ml) - Online Health Store | Vitamins Online | Supplements Online Expert Nutrition Center
Allergena is a Homeopathic Immunotherapy that reduces your pet’s negative reaction to allergens. Allergena homeopathic allergy drops build immunity by giving micro doses of what your pet is allergic to so their body becomes safely conditioned to tolerate those allergens and reduce allergic symptoms.